X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=nageru%2Fmixer.cpp;h=85e5ade8dc294061b0b4af58e606abc4fcd2db5f;hb=7b32e75002145a22a0bbf0da5de70b54f97ca005;hp=5f5bc133f8470f6f893661549c566451bd484bd3;hpb=0950567791d86f41e54f9c5d178a39146e3c0c08;p=nageru

diff --git a/nageru/mixer.cpp b/nageru/mixer.cpp
index 5f5bc13..85e5ade 100644
--- a/nageru/mixer.cpp
+++ b/nageru/mixer.cpp
@@ -574,7 +574,9 @@ void Mixer::configure_card(unsigned card_index, CaptureInterface *capture, CardT
 
 	CaptureCard *card = &cards[card_index];
 	if (card->capture != nullptr) {
+		card_mutex.unlock();  // The dequeue thread could be waiting for bm_frame().
 		card->capture->stop_dequeue_thread();
+		card_mutex.lock();
 	}
 	card->capture.reset(capture);
 	card->is_fake_capture = (card_type == CardType::FAKE_CAPTURE);